Patent · US Expired

Vibrating screw feeder

US5937996A · kind A · utility

4Cited by
2References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 13, 1998
Grant dateAug 17, 1999
Priority date
Expiry dateJan 13, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D88/66
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A vibratory screw feed apparatus is provided for delivering controlled rates of particulate materials. The apparatus includes a double walled plastic trough having an open-topped upper recess. A hopper is removably mounted to the top of the trough for feeding particulate materials into the opened top upper recess. The trough further includes a bottom recess. A vibrator is mounted within the bottom recess. A screw feed assembly extends through the trough for feeding particulate material from the trough.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.